Upgraded RV Universal Furnace Control Board Compatible with Suburban 520820&521099 for SF-20，SF-25, SF-30，SF-35，SF-42 NT-16，NT-20，NT-24，NT-30，NT-34S, NT-35，NT-40, NT-42，SFV-20/25/30/35/42

*Note: if there is a difference in size between your original circuit board and this circuit board, please make sure to check if the size of this model is compatible with your furnace, or consult a professional repairman to avoid inconvenience

• ✅【5.2*4.2*2 inch】works with the following manufacturer's part numbers:31501 Kit with 33488 33488 (included in 31501 Kit) & 6 pin header connector，37875，232613，232614，520820 Kit with 232613，521099，FAN 50 PLUS PINS
• ✅[Compatibility]Compatible with Suburban SF-20, SF-20F, SF-20FQ, SF-20Q, SF-25, SF-25F, SF-25FQ, SF-25Q, SF-30, SF-30F, SF-30FQ, SF-30Q, SF-35, SF-35F, SF-35FQ, SF-35Q, SF-42, SF-42F, SF-42FQ, SF-42Q, SFV-20, SFV-25, SFV-30, SFV-35, SFV-35Q, SFV-42, SH-35, SH-35F, SH-42, SH-42F, SHD2542，NT-12EF, NT-12F, NT-12FC, NT-12L, NT-12LE, NT-12MEF, NT-12S, NT-12SE, NT-16EF, NT-16F, NT-16FC, NT-16L, NT-16LE, NT-16MEF, NT-16S, NT-16SE, NT-16SEQ, NT-16SQ, NT-20L, NT-20LE, NT-20S, NT-20SE, NT-20SEQ, NT-20SQ, NT-20T, NT-24M, NT-24S, NT-24SP, NT-25K, NT-30K, NT-30M, NT-30S, NT-30SP, NT-34S, NT-34SP, NT-35K, NT-40, NT-42S, NT-42T
• ✅[High Quality]Made with industrial grade components and sturdy PCB boards, ensuring stable operation even in RV and workshop environments with temperature fluctuations and vibrations. Sealed design provides additional dust and moisture protection, extending service life, and is a more cost-effective and reliable upgrade option than original parts
• ✅[Easy & DIY Direct Installation]A true plug-and-play replacement. Simply match the wiring connections and mounting holes to your old board. making installation straightforward for DIY enthusiasts or professionals
• ✅[Warranty + 24/7 Support]We stand behind our product with a 2-year extended warranty and hassle-free return/exchange policy Whether you have questions about installation, fit, or quality, our 24/7 customer support team is just a message away via Amazon. Every board goes through 3 rounds of functional testing before shipping, so you can install it with confidence